by Siobhan McNally The novel The Playmaker by Thomas Keneally is a masterpiece of twentieth century fiction. This clear, comprehensive study guide to The Playmaker contains a summary and detailed notes on each chapter. It […]
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Factors That Affect Body Weight 2
Genetic Factors Continued A number of genes are responsible for regulating body weight. More than a decade ago, researchers at Rockefeller University discovered that mutations in a gene—called the obesity (ob) gene— prevented a strain […]